module tb;
  real  pi;        // Declared to be of type real
  real  freq;

  initial begin
    pi   = 3.14;    // Store floating point number
    freq = 1e6; 	// Store exponential number

    $display ("Value of pi = %f", pi);
    $display ("Value of pi = %0.3f", pi);
    $display ("Value of freq = %0d", freq);
  end
endmodule